Existence of a negative Poisson ratio in fcc crystals

Abstract

The Poisson ratios along two principal crystal directions normal to a [110] uniaxial load are generally of opposite algebraic sign for fcc crystals. A theoretical basis for this behavior is revealed.Received 5 August 1977DOI:https://doi.org/10.1103/PhysRevB.19.2030©1979 American Physical Society